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; 文献标识码:A 文章编号:1672-7207(2008)06-1132-07 Beneficiation of super microfine low-grade hematite ore by coal-based direct... reduction and milling-magnetic separation, the concentrate with high grade and metallization degree was produced. This work provides a theory basis for utilization of low grade iron ore. Under......
; 文献标志码:A Technique of pressure leaching low grade manganese ore XIE Hong-yan1, 2, WANG Ji-kun1, 3, LU Hui4, JI Xiao-cang5, YANG Shi-cheng5 (1. Faculty of Metallurgical..., China) Abstract: The pressure leaching process of low grade manganese ore in a sulfuric acid medium was studied by orthogonal experiments and single-factor experiments. First, the better prescription......
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Study on experiment and mechanism of thermal dissolved sulfuration of low grade lead-zinc oxide ore in lanpin Jijun WU1,Bin YANG1,Minghua JIANG1,Yang ZHOU1,Yuchun ZHAI3 (1.Faculty of Materials and Metallurgical Engineering, Kunming University of Science and Technology,Kunming 650093, China;2.Yunnan Jinding Zinc Limited Company, Lanpin 671401, China;3.School of Materials and Metallurgy......
, however, are costly, especially the pyro-metallurgical treatment[12], which generates huge volumes of waste residues with silicon so that brings the enormous burden to environment. Therefore, in the long... Desiliconization kinetics of nickeliferous laterite ores in molten sodium hydroxide system MU Wen-ning(牟文宁), ZHAI Yu-chun(翟玉春) Institute of Metallurgical Physical Chemistry......
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the average ore grade in mine and to achieve more reasonable exploitation and recover resources. Based on analysis of the existing resources of the mine, a multi-objective resources exploitation planning... the mining plan programs is in line with mine actual condition. Key words: underground metal mines; multi-objective; mining planning model; mined ore grade 经济效益最大化和成本最小化一直是矿山企业寻求的目标之一,要实现此目标,必须在资源开采,加工等环......
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攀钢高品位精矿烧结试验研究及生产实践甘勤1,何木光2,何群3(1.四川省攀枝花市 攀枝花钢铁研究院2.攀钢炼铁厂,四川攀枝花 6170223.攀枝花钢铁研究院,四川攀枝花 617024)摘 要:针对攀钢钒钛磁铁精矿品位提高的情况,在实验室进行了高品位攀精矿烧结试验研究.结果表明,高品位攀精矿烧结性能较差,对烧结矿转鼓强度,成品率及冶金性能有不利影响.采用适当提高混合料水分和配碳量,提高料层高度,提高碱度,返矿预润湿等技术措施,均可以有效地强化高品位攀精矿烧结过程,改善烧结矿的矿物组成和结构,从而提高烧结矿的转鼓......
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